These nails are not easy to bend and can be used for a long time. They are designed for installing baseboard on concrete or brick walls. Simply drill holes, insert the nails, and then secure the baseboard to the nails. A great choice for men who love DIY projects. Specification: Material: carbon steel Size: 50pcs: (approx.)10*5*3cm/3.94*1.97*1.18 inches 100pcs: (approx.)10*5*6cm/3.94*1.97*2.36 inches 200pcs: (approx.)10*5*12cm/3.94*1.97*4.72 inches Sleeve: (approx.)10*5*1cm/3.94*1.97*0.39 inches Packing List: Double Headed Nails Set*1 See more product details 1.Solid and Durable: These nails have a carbon steel material that makes them hard and resilient. They can smoothly pierce through cement walls with their hard and sharp tips. 2.Rust-Resistant and Durable: These cement nails have a galvanized surface that makes them resistant to rust and damage, allowing you to use them for a long time. They are great for hard materials such as concrete, brick, or stone that need a strong and secure hold. 3.and Secure Baseboard: These cement nails are designed for installing baseboards without leaving any visible nail holes or rust marks. They are strong and durable, so you can enjoy a neat and secure baseboard for a long time. 4.Easy Installation: Our cement nails make it simple to attach the baseboard to the wall. No need for an electric drill, just insert a sleeve and hammer in a nail. A nail is enough for every 50 cm of skirting line. 5.Ideal for Gift Giving: These cement nails can be used for various purposes, such as suspending pictures, installing shelves, attaching wires, and more. They are suitable for men, engineers, workers, and boys who enjoy working with different materials and surfaces. A great gift for those who like to explore new possibilities. _x000D_